210
FNCA52 TJSJ 111930
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST SAT APR 11 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-120800-
SOUTHEAST COASTAL PLAINS-
330 PM AST SAT APR 11 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 20 40 50 70
TEMP (24H TREND) 71 (-2) 88 (+2) 70 87
RH % (24H TREND) 93 (+5) 54 (-7) 94 54
WIND 20FT/EARLY(MPH) E 10 E 12 E 12 E 14
WIND 20FT/LATE(MPH) NE 8 SE 13 NE 8 E 16
MIXING HGT(FT-AGL/MSL) 4390 4280
TRANSPORT WND (MPH) E 13 E 14
VENT RATE (KT-FT) 48290 51360
DISPERSION 5 5
DSI 3 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ015-120800-
SOUTHERN HILLS-
330 PM AST SAT APR 11 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 50 50 80
TEMP (24H TREND) 67 (-3) 84 (+3) 66 82
RH % (24H TREND) 99 (+5) 65 (-7) 99 67
WIND 20FT/EARLY(MPH) E 8 E 10 E 9 E 11
WIND 20FT/LATE(MPH) E 8 SE 10 NE 8 E 12
MIXING HGT(FT-AGL/MSL) 5220 4760
TRANSPORT WND (MPH) E 12 E 13
VENT RATE (KT-FT) 52200 52360
DISPERSION 5 5
DSI 2 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ016-120800-
NORTH COASTAL PLAINS-
330 PM AST SAT APR 11 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 50 60 80
TEMP (24H TREND) 70 (-2) 87 (0) 69 85
RH % (24H TREND) 100 (+3) 63 (-4) 100 64
WIND 20FT/EARLY(MPH) E 10 E 11 E 13 E 16
WIND 20FT/LATE(MPH) SE 6 E 17 E 11 E 16
MIXING HGT(FT-AGL/MSL) 4730 4260
TRANSPORT WND (MPH) E 10 E 14
VENT RATE (KT-FT) 42570 51120
DISPERSION 5 5
DSI 3 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ017-120800-
NORTHERN HILLS-
330 PM AST SAT APR 11 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 10 70 50 80
TEMP (24H TREND) 68 (-1) 86 (+1) 67 84
RH % (24H TREND) 100 (+3) 64 (-3) 100 68
WIND 20FT/EARLY(MPH) E 6 E 9 E 11 E 16
WIND 20FT/LATE(MPH) SE 5 E 13 E 9 NE 14
MIXING HGT(FT-AGL/MSL) 5800 4480
TRANSPORT WND (MPH) E 8 E 13
VENT RATE (KT-FT) 40600 49280
DISPERSION 5 5
DSI 2 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ018-120800-
WEST COAST-
330 PM AST SAT APR 11 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 20 50 30 90
TEMP (24H TREND) 69 (-2) 88 (+1) 69 87
RH % (24H TREND) 100 (+3) 63 (-4) 100 64
WIND 20FT/EARLY(MPH) E 9 SE 10 E 10 E 12
WIND 20FT/LATE(MPH) E 8 E 10 E 12 E 14
MIXING HGT(FT-AGL/MSL) 5000 4580
TRANSPORT WND (MPH) SE 8 E 12
VENT RATE (KT-FT) 35000 45800
DISPERSION 5 5
DSI 2 5 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ019-120800-
EASTERN INTERIOR-
330 PM AST SAT APR 11 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 60 70 70
TEMP (24H TREND) 69 (-2) 85 (+1) 68 83
RH % (24H TREND) 100 (+3) 66 (-4) 100 68
WIND 20FT/EARLY(MPH) E 10 E 11 E 9 E 10
WIND 20FT/LATE(MPH) E 9 SE 12 E 9 E 12
MIXING HGT(FT-AGL/MSL) 5670 4650
TRANSPORT WND (MPH) SE 12 E 13
VENT RATE (KT-FT) 56700 51150
DISPERSION 5 5
DSI 3 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ022-120800-
LUQUILLO MOUNTAIN RANGE-
330 PM AST SAT APR 11 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 60 70 70
TEMP (24H TREND) 66 (-4) 80 (+2) 65 78
RH % (24H TREND) 100 (+1) 72 (-6) 100 73
WIND 20FT/EARLY(MPH) E 9 SE 10 E 8 E 9
WIND 20FT/LATE(MPH) E 6 SE 10 E 6 E 10
MIXING HGT(FT-AGL/MSL) 3900 3650
TRANSPORT WND (MPH) SE 12 E 14
VENT RATE (KT-FT) 39000 43800
DISPERSION 5 5
DSI 4 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ023-120800-
CENTRAL MOUNTAIN RANGE-
330 PM AST SAT APR 11 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 0 60 30 90
TEMP (24H TREND) 65 (-3) 84 (+4) 64 82
RH % (24H TREND) 100 (+3) 67 (-6) 100 69
WIND 20FT/EARLY(MPH) SE 5 E 8 E 6 E 9
WIND 20FT/LATE(MPH) E 5 SE 8 E 8 E 9
MIXING HGT(FT-AGL/MSL) 6170 5110
TRANSPORT WND (MPH) E 8 E 10
VENT RATE (KT-FT) 43190 45990
DISPERSION 5 5
DSI 1 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ024-120800-
CAYEY MOUNTAIN RANGE-
330 PM AST SAT APR 11 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 50 60 70
TEMP (24H TREND) 67 (-3) 80 (+1) 66 79
RH % (24H TREND) 100 (+1) 73 (-4) 100 74
WIND 20FT/EARLY(MPH) E 8 E 9 E 8 E 10
WIND 20FT/LATE(MPH) E 5 SE 9 NE 5 E 10
MIXING HGT(FT-AGL/MSL) 4870 4390
TRANSPORT WND (MPH) E 12 E 15
VENT RATE (KT-FT) 48700 57070
DISPERSION 5 5
DSI 3 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ025-120800-
VIEQUES-
330 PM AST SAT APR 11 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 50 70 70
TEMP (24H TREND) 72 (-3) 85 (0) 72 85
RH % (24H TREND) 97 (+5) 63 (-4) 96 62
WIND 20FT/EARLY(MPH) E 12 E 12 E 11 E 13
WIND 20FT/LATE(MPH) E 11 E 12 E 12 E 13
MIXING HGT(FT-AGL/MSL) 2690 2780
TRANSPORT WND (MPH) E 12 E 17
VENT RATE (KT-FT) 26900 41700
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ026-120800-
CULEBRA-
330 PM AST SAT APR 11 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 50 70 70
TEMP (24H TREND) 74 (-2) 86 (+1) 73 86
RH % (24H TREND) 97 (+5) 64 (-5) 97 63
WIND 20FT/EARLY(MPH) E 12 E 12 E 11 E 13
WIND 20FT/LATE(MPH) E 12 E 12 E 12 E 13
MIXING HGT(FT-AGL/MSL) 2610 2890
TRANSPORT WND (MPH) E 15 E 17
VENT RATE (KT-FT) 33930 43350
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ027-120800-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 PM AST SAT APR 11 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 40 30 80
TEMP (24H TREND) 71 (-2) 89 (+2) 70 88
RH % (24H TREND) 98 (+7) 53 (-6) 99 52
WIND 20FT/EARLY(MPH) E 9 E 13 E 10 E 16
WIND 20FT/LATE(MPH) E 11 SE 14 E 10 E 19
MIXING HGT(FT-AGL/MSL) 4960 4690
TRANSPORT WND (MPH) E 15 E 15
VENT RATE (KT-FT) 64480 60970
DISPERSION 5 5
DSI 3 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ001-120800-
SAINT THOMAS AND SAINT JOHN-
330 PM AST SAT APR 11 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 50 60 70
TEMP (24H TREND) 73 (-3) 85 (+1) 71 86
RH % (24H TREND) 98 (+7) 63 (-5) 97 60
WIND 20FT/EARLY(MPH) E 12 E 13 E 12 E 13
WIND 20FT/LATE(MPH) E 12 E 13 E 13 E 13
MIXING HGT(FT-AGL/MSL) 2740 2750
TRANSPORT WND (MPH) E 17 E 16
VENT RATE (KT-FT) 41100 38500
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ002-120800-
ST CROIX-
330 PM AST SAT APR 11 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 40 40 50 70
TEMP (24H TREND) 72 (-4) 86 (+1) 72 85
RH % (24H TREND) 99 (+7) 65 (-5) 97 62
WIND 20FT/EARLY(MPH) E 11 E 13 E 12 E 13
WIND 20FT/LATE(MPH) E 11 SE 13 E 12 E 13
MIXING HGT(FT-AGL/MSL) 4130 3770
TRANSPORT WND (MPH) E 17 E 17
VENT RATE (KT-FT) 61950 56550
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
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